Genesis 4:8

Then Adam knew his wife again; and she gave birth to a son and named him Seth, for she said, “God has set for me another seed in place of Abel, for Cain killed him.”

‘And if he pushed him of hatred or threw something at him lying in wait and as a result he died,

So Jehoram arose over the kingdom of his father and strengthened himself, and he killed all his brothers with the sword, and some of the commanders of Israel also.

Men of bloodshed hate the blameless, But the upright seek the well-being of his soul.

There is swearing of oaths, deception, murder, stealing, and adultery. They break forth in violence so that bloodshed follows bloodshed.

so that upon you may fall the guilt of all the righteous blood shed on earth, from the blood of righteous Abel to the blood of Zechariah, the son of Berechiah, whom you murdered between the sanctuary and the altar.

from the blood of Abel to the blood of Zechariah, who was killed between the altar and the house of God; yes, I tell you, it shall be charged against this generation.’

By faith Abel offered to God a better sacrifice than Cain, through which he was approved as being righteous—God approving his gifts—and through faith, though he is dead, he still speaks.

not as Cain, who was of the evil one and slew his brother. And for what reason did he slay him? Because his deeds were evil, and his brother’s were righteous.

Woe to them! For they have gone the way of Cain, and for pay they have poured themselves into the error of Balaam, and perished in the rebellion of Korah.